The photodimerization of 17 beta-hydroxy-estra-4,9(10)-dien-3-one.
D015065:17-Hydroxycorticosteroids / Q000528:radiation effects*; D004962:Estranes / Q000528:radiation effects*; D014466:Ultraviolet Rays
D015065:17-Hydroxycorticosteroids; D004962:Estranes